Tracker›Changelog›2026-09-05-stream-beacon-banner-info-und-3-added

New stream event types: beacon_banner_info, beacon_ui_response, primary, secondary

observedstructure · stream2026-09-05-stream-beacon-banner-info-und-3-added

Instrument state: Schema 15 · v2 · Bookmarklet 2.7 · measure · gpt-5-6

Evidence

After
{
  "sse_event_types": [
    "beacon_banner_info",
    "beacon_ui_response",
    "primary",
    "secondary"
  ]
}
Breadth
1/33 prompts · local
Modes
thinking
Measuring days
5 Sept 2026 · 1 field diffs in events.jsonl
Raw data excerpt (K14-02__thinking, 2026-09-05)
{
  "har.sse_event_types": [
    "beacon_banner_info",
    "beacon_ui_response",
    "conversation_detail_metadata",
    "event:delta",
    "event:delta_encoding",
    "input_message",
    "message_marker",
    "message_stream_complete",
    "primary",
    "resume_conversation_token",
    "secondary",
    "server_ste_metadata",
    "stop",
    "title_generation"
  ]
}

Daily data of 5 Sept 2026 →

Context

stream/beacon-banner-info stream/beacon-ui-response stream/primary stream/secondary

Impact

No evidenced impact.

Status history

5 Sept 2026observed